2007-12-06  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch3.adb (Predefined_Primitive_Bodies): Generate the body of
	predefined primitive _Disp_Requeue.
	(Make_Predefined_Primitive_Specs): Create the spec for predefined
	primitive _Disp_Requeue.
	(Make_Predefined_Primitive_Specs/Predefined_Primitive_Bodies): Set the
	type of formal Renamed_Eq to Entity_Id (instead of Node_Id).
	(Make_Predefined_Primitive_Specs): Spec of "=" needed if the parent is
	an interface type. In case of limited interfaces we now declare all the
	predefined primitives associated with synchronized interfaces as
	abstract.
	(Predef_Spec_Or_Body): For interface types generate abstract subprogram
	declarations.
	(Predefined_Primitive_Bodies): Add body of "=" if the parent of the
	tagged type is an interface type and there is no user-defined equality
	function.
	Add also bodies of predefined primitives associated with synchronized
	interfaces.
	(Freeze_Record_Type): Do not build bodies of predefined primitives of
	interface types because they are now defined abstract.
	Add missing documentation.
	(Expand_Record_Controller): Update occurrence of Related_Interface
	to Related_Type.
	(Build_Offset_To_Top_Functions): Do nothing in case of VM.
	(Expand_N_Object_Declaration): Take into account VM_Target when handling
	class wide interface object declaration.
	(Expand_Previous_Access_Type): Do not create a duplicate master entity
	if the access type already has one.
	(Expand_N_Object_Declaration): Defend against attempt to validity check
	generic types. Noticed for -gnatVcf specified with previous errors.

From-SVN: r130830

2007-12-06  Ed Schonberg  <schonberg@adacore.com>

	* expander.adb: Take into account N_Subprogram_Renaming_Declaration

From-SVN: r130829

2007-12-06  Ed Schonberg  <schonberg@adacore.com>

	* exp_aggr.adb (Build_Record_Aggr_Code): If there is an aggregate for a
	limited ancestor part, initialize controllers of enclosing record
	before expanding ancestor aggregate.
	(Gen_Assign): If a component of the aggregate is box-initialized, add
	code to call Initialize if the component is controlled, and explicit
	assignment of null if the component is an access type.

	Handle properly aggregates for limited types that appear in object
	declarations when the aggregate contains controlled values such as
	protected types.
	When expanding limited aggregates into individual components, do not
	call Adjust on controlled components that are limited.

From-SVN: r130828

2007-12-06  Geert Bosch  <bosch@adacore.com>

	* eval_fat.adb (Decompose_Int): Handle argument of zero.
	(Compose): Remove special casing of zero.
	(Exponent): Likewise.
	(Fraction): Likewise.
	(Machine): Likewise.
	(Decompose): Update comment.

From-SVN: r130827

2007-12-06  Vincent Celier  <celier@adacore.com>

	* errout.adb (Output_Source_Line): Do not keep a trailing space after
	the source line number if the source line is empty.

From-SVN: r130826

2007-12-06  Hristian Kirtchev  <kirtchev@adacore.com>

	* einfo.ads, einfo.adb: Flag 232 is now Implemented_By_Entry.
	(Implemented_By_Entry, Set_Implemented_By_Entry): New routines.
	(Write_Entry_Flags): Add an entry for Implemented_By_Entry.
	(Renamed_In_Spec): New flag
	(Has_Pragma_Inline_Always): New flag
	Add missing doc for pragma Obsolescent_Warning
	Add missing doc for 17 additional unused flags (230-247)
	(Is_Derived_Type): Remove condition "not Is_Generic_Type".
	Alphabetize with clauses.
	Separate Is_Thunk and Has_Thunks flags
	(Write_Entity_Flags): Add forgotten entry for Has_Thunks
	(Related_Interface): Renamed to Related_Type.
	(Has_Thunks/Set_Has_Thunks): Subprograms of new attribute.
	(Set_Is_Flag): Restrict the assertion.

From-SVN: r130825

2007-12-06  Bob Duff  <duff@adacore.com>

	* clean.adb (Usage): Add line for -aP
	(Check_Version_And_Help): Change Check_Version_And_Help to be generic,
	with a parameter "procedure Usage", instead of passing a pointer to a
	procedure. This is to eliminate trampolines (since the Usage procedure
	is often nested in a main procedure, and it would be inconvenient to
	unnest it).

	* g-comlin.adb (For_Each_Simple_Switch): Change For_Each_Simple_Switch
	to be generic, with a parameter "procedure Callback (...)", instead of
	passing a pointer to a procedure. This is to eliminate trampolines
	(since the Callback procedure is usually nested).

	* gnatfind.adb, switch.adb, switch.ads, gnatlink.adb, gnatls.adb, 
	gnatname.adb, gnatxref.adb, gnatchop.adb, gprep.adb, gnatbind.adb
	(Check_Version_And_Help): Change Check_Version_And_Help to be generic.

	* g-pehage.adb (Compute_Edges_And_Vertices, Build_Identical_Key_Sets):
	Use the generic Heap_Sort_G instead of Heap_Sort_A.

From-SVN: r130824

2007-12-06  Robert Dewar  <dewar@adacore.com>

	* checks.adb: Fix optimization problem with short-circuited form

From-SVN: r130823

2007-12-06  Robert Dewar  <dewar@adacore.com>

	* back_end.adb: Recognize -fno-inline

From-SVN: r130822

2007-12-06  Vincent Celier  <celier@adacore.com>

	* opt.ads: Indicate what flags are used by the Project Manager,
	gprbuild and gprclean.
	(Opt.Follow_Links_For_Dirs): New flag
	(Warn_On_Assertion_Failure): New flag
	(Wide_Character_Encoding_Method_Specified): New flag
	(Suppress_All_Inlining): New switch set by -fno-inline
	(Real_VMS_Target): New flag
	New pragma Fast_Math

From-SVN: r130821

2007-12-06  Robert Dewar  <dewar@adacore.com>

	* atree.adb (Flag231..Flag247): New functions
	(Set_Flag231..Set_Flag247): New procedures
	(Basic_Set_Convention): Rename Set_Convention to be
	Basic_Set_Convention
	(Nkind_In): New functions
	Remove Atree.Delete_Tree/Delete_Node and Nlist.Delete_List

	* exp_ch6.adb (Expand_Call): Use new flag Has_Pragma_Inline_Always
	instead
	 of obsolete function Is_Always_Inlined
	(Register_Predefined_DT_Entry): Initialize slots of the second
	secondary dispatch table.
	Remove Atree.Delete_Tree/Delete_Node and Nlist.Delete_List
	(Expand_N_Function_Call): Remove special provision for stack checking.

	* exp_util.ads, exp_util.adb (Is_Predefined_Dispatching_Operation):
	Include _Disp_Requeue in the list of predefined operations.
	(Find_Interface_ADT): Modified to fulfill the new specification.
	Remove Atree.Delete_Tree/Delete_Node and Nlist.Delete_List

	* par-ch4.adb, nlists.ads, nlists.adb: 
	Remove Atree.Delete_Tree/Delete_Node and Nlist.Delete_List

	* sinfo.ads, sinfo.adb: (Nkind_In): New functions
	Fix location of flag for unrecognized pragma message

	* sem_ch7.adb: Use Nkind_In

From-SVN: r130820

	* a-tifiio.adb
	(Put_Int64): Use Put_Digit to advance Pos. This fixes a case where
	the second or later Scaled_Divide would omit leading zeroes,
	resulting in too few digits produced and a Layout_Error as result.
	(Put): Initialize Pos.

From-SVN: r130819

2007-12-06  Robert Dewar  <dewar@adacore.com>
	    Ed Schonberg  <schonberg@adacore.com>

	* a-ngcoty.adb: New pragma Fast_Math

	* opt.adb: New pragma Fast_Math

	* par-prag.adb: 
	Add Implemented_By_Entry to the list of pragmas which do not require any
	special processing.
	(Favor_Top_Level): New pragma.
	New pragma Fast_Math

	* exp_attr.adb: Move Wide_[Wide_]Image routines to Exp_Imgv
	(Expand_N_Attribute_Reference, Displace_Allocator_Pointer,
	Expand_Allocator_Expression): Take into account VM_Target
	(Expand_Attribute, case 'Identity):  Handle properly the case where
	the prefix is a task interface.
	New pragma Fast_Math

	* par.adb (Next_Token_Is): New function
	(P_Pragma): Add Skipping parameter
	(U_Left_Paren): New procedure
	(U_Right_Paren): New procedure
	New pragma Fast_Math

	* par-ch10.adb (P_Subunit): Unconditional msg for missing ) after
	subunit
	New pragma Fast_Math

	* sem_prag.adb: Add significance value to table Sig_Flag for pragma
	Implemented_By_Entry.
	(Analyze_Pragma): Add case for Ada 2005 pragma Implemented_By_Entry.
	(Set_Inline_Flags): Do not try to link pragma Inline onto chain of rep
	items, since it can apply to more than one overloadable entity. Set
	new flag Has_Pragma_Inline_Always for Inline_Always case.
	(Analyze_Pragma, case Complex_Representation): Improve error message.
	(Analyze_Pragma, case Assert): When assertions are disabled build the
	rewritten code with Sloc of expression rather than pragma, so new
	warning about failing is not deleted.
	(Analyze_Pragma): Allow pragma Preelaborable_Initialization to apply to
	protected types and update error message to reflect that. Test whether
	the protected type is allowed for the pragma (an error is issued if the
	type has any entries, or components that do not have preelaborable
	initialization).
	New pragma Fast_Math
	(Analyze_Pragma, case No_Return): Handle generic instance

	* snames.h, snames.ads, snames.adb: 
	Add new predefined name for interface primitive _Disp_Requeue.
	New pragma Fast_Math

	* a-tags.ads, a-tags.adb: New calling sequence for
	String_To_Wide_[Wide_]String
	(Secondary_Tag): New subprogram.

	* exp_imgv.ads, exp_imgv.adb: Move Wide_[Wide_]Image routines here
	from Exp_Attr
	New calling sequence for String_To_Wide_[Wide_]String
	(Expand_Image_Attribute): Major rewrite. New calling sequence avoids
	the use of the secondary stack for image routines.

	* a-except-2005.adb, s-wchstw.ads, s-wchstw.adb, s-wwdenu.adb: New
	calling sequence for String_To_Wide_[Wide_]String

	* par-ch3.adb (P_Declarative_Items): Recognize use of Overriding in
	Ada 95 mode
	(P_Unknown_Discriminant_Part_Opt): Handle missing parens gracefully
	Remove Atree.Delete_Tree/Delete_Node and Nlist.Delete_List

	* par-ch6.adb (P_Subprogram): Recognize use of Overriding in Ada 95 mode
	(P_Formal_Part): Use Skipping parameter in P_Pragma call
	to improve error recovery

	* par-util.adb (Next_Token_Is): New function
	(Signal_Bad_Attribute): Use new Namet.Is_Bad_Spelling_Of function

	* par-ch2.adb (Skip_Pragma_Semicolon): Do not resynchronize to
	semicolon if missing
	(P_Pragma): Implement new Skipping parameter
	Remove Atree.Delete_Tree/Delete_Node and Nlist.Delete_List
	Fix location of flag for unrecognized pragma message

	* par-tchk.adb (U_Left_Paren): New procedure
	(U_Right_Paren): New procedure

From-SVN: r130818

2007-12-06  Robert Dewar  <dewar@adacore.com>

	* a-textio.adb, a-textio.ads: 
	Extensive changes to private part for wide character encoding

	* a-witeio.ads, a-witeio.adb, a-ztexio.ads, a-ztexio.adb
	(Look_Ahead): Fix mishandling of encoded sequences
	Move declaration of Wch_Con to private part (should not be visible)

	* ali.adb (Scan_ALI): Set default encoding method to brackets instead of
	UTF-8. Probably this is never used, but if it is, brackets is
	clearly correct.

	* bindgen.adb (Get_WC_Encoding): New procedure to properly handle
	setting wide character encoding for no main program case and when
	encoding is specified using -W?
	Initialize stack limit of environment task if stack limit method of
	stack checking is enabled.
	(Gen_Adainit_Ada): Use Get_WC_Encoding to output encoding method
	(Gen_Adainit_C): Use Get_WC_Encoding to output encoding method
	(Get_Main_Unit_Name): New function.
	(Gen_Adainit_Ada): Add call to main program for .NET when needed.
	(Gen_Output_File): Set Bind_Main_Program to True for .NET

	* bindusg.adb: Add line for -Wx switch

	* s-wchcon.adb, s-wchcon.ads: (Is_Start_Of_Encoding): New function
	Add comments
	Add new useful constant WC_Longest_Sequences

	* switch-b.adb: Clean up handling of -Wx switch
	For -gnatWx, set Wide_Character_Encoding_Method_Specified

	* switch-c.adb: -gnatg activates warning on assertion errors
	For -gnatWx, set Wide_Character_Encoding_Method_Specified

	* s-wchcon.adb: (Is_Start_Of_Encoding): New function

From-SVN: r130817

2007-12-06  Jose Ruiz  <ruiz@adacore.com>

	* adaint.h: (__gnat_plist_init): Not defined for RTX.

	* initialize.c (__gnat_initialize): Do not call __gnat_plist_init for
	RTX systems.

	* Makefile.in: Add new files s-tasinf-linux.ads and s-tasinf-linux.adb.
	(LIBGNAT_TARGET_PAIRS, MISCLIB, THREADSLIB,
	EXTRA_GNATRTL_NONTASKING_OBJS, EXTRA_GNATRTL_TASKING_OBJS,
	GNATLIB_SHARED for RTX run time): Use the versions required by RTX.

	* mingw32.h: 
	Do not define GNAT_UNICODE_SUPPORT for RTX since it is not supported.

	* sysdep.c (winflush_function for RTX): Procedure that does nothing
	since we only have problems with Windows 95/98, which are not
	supported by RTX.
	(__gnat_ttyname): Return the empty string on Nucleus, just as
	done on vxworks.

From-SVN: r130816

2007-12-06  Robert Dewar  <dewar@adacore.com>

	* sem_ch5.adb, s-taskin.adb, a-ciorma.adb, a-coorma.adb, a-cohama.adb, 
	a-cihama.adb, g-awk.adb, 
	s-inmaop-posix.adb: Update handling of assigned value/unreferenced
	warnings

	* exp_smem.adb: Update handling of assigned value/unreferenced warnings

	* sem.adb: Update handling of assigned value/unreferenced warnings

	* a-exexpr-gcc.adb: Add a pragma warnings off for boolean return

	* lib-xref.ads: Improve documentation for k xref type

	* lib-xref.adb: 
	Update handling of assigned value/unreferenced warnings
	(Generate_Reference): Warning for reference to entity for which a
	pragma Unreferenced has been given should be unconditional.
	If the entity is a discriminal, mark the original
	discriminant as referenced.

	* sem_warn.ads, sem_warn.adb
	(Check_One_Unit): Test Renamed_In_Spec to control giving warning for
	no entities referenced in package
	(Check_One_Unit): Don't give message about no entities referenced in
	a package if a pragma Unreferenced has appeared.
	Handle new warning flag -gnatw.a/-gnatw.A
	Update handling of assigned value/unreferenced warnings

	* atree.h: Add flags up to Flag247
	(Flag231): New macro.

From-SVN: r130815

2007-12-06  Eric Botcazou  <ebotcazou@adacore.com>
	    Bob Duff  <duff@adacore.com>
	    Tristan Gingold  <gingold@adacore.com>

	* system-linux-ia64.ads, system-freebsd-x86.ads, system-lynxos-ppc.ads, 
	system-lynxos-x86.ads, system-linux-x86_64.ads, system-tru64.ads, 
	system-aix.ads, system-vxworks-sparcv9.ads, system-solaris-x86.ads, 
	system-irix-o32.ads, system-irix-n32.ads, system-hpux.ads, 
	system-vxworks-m68k.ads, system-linux-x86.ads, system-vxworks-mips.ads, 
	system-solaris-sparc.ads, system-solaris-sparcv9.ads, system-vms.ads, 
	system-mingw.ads, system-vms-zcx.ads, system-vxworks-ppc.ads, 
	system-vxworks-arm.ads, system-darwin-x86.ads, system.ads,
	system-vms_64.ads, system-darwin-ppc.ads, system-vxworks-x86.ads, 
	system-linux-ppc.ads, system-linux-hppa.ads, system-hpux-ia64.ads,
	system-vms-ia64.ads (Stack_Check_Limits): New target parameter.
	(Always_Compatible_Rep): New flag to control trampolines globally.
	(Dynamic_Trampolines_Used): New flag for implementing the
	No_Implicit_Dynamic_Code restriction more correctly (not yet used,
	and not yet set correctly for some targets).

	* s-taprop-vxworks.adb: Use stack limit method of stack checking.
	Simply indirectly call s-stchop when a task is created.

	* ali.ads: 
	New flag added: Stack_Check_Switch_Set which is set when '-fstack-check'
	appears as an argument (entries A) in an ALI file.

	* fe.h (Stack_Check_Limits): Declare new target parameter.
	(Check_Implicit_Dynamic_Code_Allowed): New procedure.

	* init.c: Declare __gnat_set_stack_limit_hook for VxWorks kernel RTS.
	This variable is declared in C to be sure not subject to elaboration
	code.
	(__gnat_map_signal, VxWorks): In kernel mode, map SIGILL to
	Storage_Error.

	* targparm.ads, targparm.adb (Stack_Check_Limits): New parameter.
	(Always_Compatible_Rep, Dynamic_Trampolines_Used): New parameters.

	* s-stchop.ads: Add comments.

	* s-stchop-vxworks.adb: Package almost fully rewritten to use stack
	limit method of stack checking.

	* s-stchop-limit.ads: New file.

From-SVN: r130814

2007-12-06  Robert Dewar  <dewar@adacore.com>

	* s-osinte-lynxos-3.ads, s-osinte-hpux.ads, s-osinte-solaris-posix.ads, 
	s-osinte-freebsd.ads, s-osinte-lynxos.ads, s-osinte-tru64.ads, 
	s-osinte-mingw.ads, s-osinte-aix.ads, s-osinte-hpux-dce.ads, 
	s-osinte-irix.ads, s-osinte-solaris.ads, s-intman-vms.adb,
	s-osinte-vms.ads, s-osinte-vxworks6.ads, s-osinte-vxworks.ads,
	s-auxdec.ads, s-auxdec-vms_64.ads, s-osinte-darwin.ads, 
	s-taprop-vms.adb, s-interr-sigaction.adb, s-osinte-linux-hppa.ads, 
	i-vxwork-x86.ads, s-tpopde-vms.ads: Add missing pragma Convention C
	for subprogram pointers.

	* g-ctrl_c.adb: New file.

	* g-ctrl_c.ads (Install_Handler): New body.

	* freeze.adb (Freeze_Subprogram): Use new flag Has_Pragma_Inline_Always
	instead of obsolete function Is_Always_Inlined.
	(Freeze_Entity): check for tagged type in imported C subprogram
	(Freeze_Entity): check for 8-bit boolean in imported C subprogram
	(Freeze_Entity): check for convention Ada subprogram pointer in
	imported C subprogram.
	(Freeze_Fixed_Point_Type): In the case of a base type where the low
	bound would be chopped off and go from negative to zero, force
	Loval_Excl_EP to be the same as Loval_Incl_EP (the included lower
	bound) so that the size computation for the base type will take
	negative values into account.

From-SVN: r130813

2007-12-06  Pascal Obry  <obry@adacore.com>

	* adaint.c (__gnat_pthread_setaffinity_np): New routine. A dummy
	 version is provided for older GNU/Linux distribution not
	 supporting thread affinity sets.
	
	* s-osinte-linux.ads (SC_NPROCESSORS_ONLN): New constant for sysconf
	call.
	(bit_field): New packed boolean type used by cpu_set_t.
	(cpu_set_t): New type corresponding to the C type with
	the same name. Note that on the Ada side we use a bit
	field array for the affinity mask. There is not need
	for the C macro for setting individual bit.
	(pthread_setaffinity_np): New imported routine.
	
	* s-taprop-linux.adb (Enter_Task): Check that the CPU affinity mask is
	no null.
	(Create_Task): Set the processor affinity mask if information
	is present.
	
	* s-tasinf-linux.ads, s-tasinf-linux.adb: New files.

From-SVN: r130812

	* Makefile.tpl (CFLAGS_FOR_TARGET): Add -g.
	(CXXFLAGS_FOR_TARGET): Add -O2 -g.
	* Makefile.in: Regenerate.

From-SVN: r130811

i386.c (ix86_rtx_costs): Check op0 for ZERO_EXTEND when computing costs for widening multiplication.

        * config/i386/i386.c (ix86_rtx_costs) [MULT]: Check op0 for
        ZERO_EXTEND when computing costs for widening multiplication.

From-SVN: r130809

2007-12-13  Richard Earnshaw  <rearnsha@arm.com>

	PR target/30192
	* config/arm/ieee754-df.S (floatundidf): Fix for wrong sp value on
	exit when using hard FPA.
	* config/arm/ieee754-df.S (floatdidf): Likewise.

From-SVN: r130800

From-SVN: r130798

	PR bootstrap/30589
	* doc/install.texi: Document that for MinGW only runtime 3.12 and
	later is supported.

From-SVN: r130794

2007-12-12  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34254
        * decl.c (match_char_kind): Support use-associated/imported
        kind parameters.
        (gfc_match_kind_spec): Support als BT_CHARACTER, when
        re-scanning kind spec.

2007-12-12  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34254
        * gfortran.dg/function_kinds_3.f90: New.

From-SVN: r130793

From-SVN: r130791

gimplify.c (gimplify_modify_expr_rhs): Handle the case when we are assigning from a constant constructor.

        * gimplify.c (gimplify_modify_expr_rhs): Handle the case when we
        are assigning from a constant constructor.
        Fix wrapping in function comment.

From-SVN: r130788

2007-12-12  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.c (s390_O_constraint_str): Limit the range
	for 'On' to -4G+1..-1.
	* config/s390/constraints.md: Adjust comment accordingly.

2007-12-12  Andreas Krebbel  <krebbel1@de.ibm.com>

	* gcc.target/s390/20071212-1.c: New testcase.

From-SVN: r130787

* charset.c (convert_using_iconv): Close out any shift states,
returning to the initial state.

From-SVN: r130785

From-SVN: r130783

2007-12-11  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/34015
	* include/backward/backward_warning.h: Adjust warning message.

From-SVN: r130778

2007-12-11  Paolo Carlini  <pcarlini@suse.de>

	* include/bits/stl_bvector.h (vector<bool>::reserve): Move out of
	line...
	* include/bits/vector.tcc: ... here.

From-SVN: r130777

From-SVN: r130775

	* config/rs6000/rs6000.c (rs6000_emit_prologue): Use frame_reg_rtx
	for SPE saves.

From-SVN: r130774

target same as 32-bit.

From-SVN: r130773

2007-12-11  Bernhard Fischer  <aldot@gcc.gnu.org>

	* decl.c (match_prefix): Make seen_type a boolean.
	(add_global_entry): Cache type distinction.
	* trans-decl.c: Whitespace cleanup.

From-SVN: r130772

	PR c++/34238
	* decl2.c (cp_write_global_declarations): Revert 2007-11-22 change.

	* g++.dg/ext/visibility/anon7.C: Add xfail.
	* g++.dg/ext/visibility/anon9.C: New test.
	* g++.dg/ext/visibility/anon10.C: New test.

From-SVN: r130771

	PR c++/34364
	* rtti.c (build_dynamic_cast): Call convert_from_reference even for
	dynamic_cast in a template.

	* g++.dg/rtti/dyncast2.C: New test.

From-SVN: r130770

	PR tree-optimization/34407
	* gcc.dg/vect/pr34407.c: New test.

From-SVN: r130769

2007-12-10  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/34411
	* gfortran.dg/error_recovery_5.f90: New.
	* gfortran.dg/optional_dim_2.f90: Fix test, not related to this PR.

From-SVN: r130768